WHOIS

Lookup an IP or domain. Uses IANA referral first, then registry WHOIS.
Query
203.131.209.99
IANA
whois.iana.org
Referred
whois.apnic.net
WHOIS servers can rate limit. Results are cached for performance.
### IANA response (whois.iana.org)

% IANA WHOIS server
% for more information on IANA, visit http://www.iana.org
% This query returned 1 object

refer:        whois.apnic.net

inetnum:      203.0.0.0 - 203.255.255.255
organisation: APNIC
status:       ALLOCATED

remarks:      203.0.113.0/24 reserved for TEST-NET-3 [RFC5737].
remarks:      Complete registration details for 203.0.113.0/24 are
remarks:      found iniana-ipv4-special-registry.

whois:        whois.apnic.net

changed:      1993-05
source:       IANA

### Registry response (whois.apnic.net)

% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to '203.131.208.0 - 203.131.223.255'

% Abuse contact for '203.131.208.0 - 203.131.223.255' is 'mit@tu.ac.th'

inetnum:        203.131.208.0 - 203.131.223.255
netname:        THAMMASAT
descr:          Thammasat University
descr:          2 Phrachan Road, Phranakorn, Bangkok 10200, Thailand
country:        TH
org:            ORG-TU2-AP
admin-c:        SK1310-AP
tech-c:         SK1310-AP
abuse-c:        AT1190-AP
status:         ALLOCATED PORTABLE
remarks:        -+-+-+-+-+-+-+-+-+-+-+-++-+-+-+-+-+-+-+-+-+-+-+-+-+-+
remarks:        This object can only be updated by APNIC hostmasters.
remarks:        To update this object, please contact APNIC
remarks:        hostmasters and include your organisation's account
remarks:        name in the subject line.
remarks:        -+-+-+-+-+-+-+-+-+-+-+-++-+-+-+-+-+-+-+-+-+-+-+-+-+-+
mnt-by:         APNIC-HM
mnt-lower:      MAINT-TH-TU
mnt-routes:     MAINT-TH-TU
mnt-irt:        IRT-THAMMASAT-TH
last-modified:  2020-10-20T00:57:37Z
source:         APNIC

irt:            IRT-THAMMASAT-TH
address:        2 Phrachan Road, Phranakorn, Bangkok 10200, Thailand
e-mail:         mit@tu.ac.th
abuse-mailbox:  mit@tu.ac.th
admin-c:        NS809-AP
tech-c:         NS809-AP
auth:           # Filtered
remarks:        mit@tu.ac.th was validated on 2025-08-14
mnt-by:         MAINT-TH-TU
last-modified:  2025-11-18T00:31:54Z
source:         APNIC

organisation:   ORG-TU2-AP
org-name:       Thammasat University
org-type:       LIR
country:        TH
address:        2 Phrachan Road, Phranakorn
phone:          +66-2613-3456
fax-no:         +66-2953-0541
e-mail:         mit@tu.ac.th
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2024-07-15T13:00:17Z
source:         APNIC

role:           ABUSE THAMMASATTH
country:        ZZ
address:        2 Phrachan Road, Phranakorn, Bangkok 10200, Thailand
phone:          +000000000
e-mail:         mit@tu.ac.th
admin-c:        NS809-AP
tech-c:         NS809-AP
nic-hdl:        AT1190-AP
remarks:        Generated from irt object IRT-THAMMASAT-TH
remarks:        mit@tu.ac.th was validated on 2025-08-14
abuse-mailbox:  mit@tu.ac.th
mnt-by:         APNIC-ABUSE
last-modified:  2025-08-14T02:36:27Z
source:         APNIC

person:         Sathaporn Koraksawet
nic-hdl:        SK1310-AP
e-mail:         stp@tu.ac.th
address:        2 Phrachan Road, Phranakorn, Bangkok 10200, Thailand
phone:          +662-613-3456
fax-no:         +662-953-0541
country:        TH
mnt-by:         MAINT-TH-TU
last-modified:  2016-12-28T07:12:35Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-UK2)